Home / 2,486.07-3,430.86-1,367.11

Finding the Fourth Proportional to 2,486.07, 3,430.86 and 1,367.11

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Solution

The fourth proportional to 2,486.07, 3,430.86 and 1,367.11 is: 1,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.07 : 3,430.86 = 1,367.11 : x
  2. Step 2: Convert to fraction form
    2,486.07/3,430.86 = 1,367.11/x
  3. Step 3: Cross multiply
    2,486.07x = 3,430.86 × 1,367.11
  4. Step 4: Simplify right side
    2,486.07x = 4,690,362.18
  5. Step 5: Solve for x
    x = 4,690,362.18/2,486.07
  6. Step 6: Final answer
    x = 1,886.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.